Number of nX7 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).
A208352
Number of nX7 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).
Terms
- a(0) =715a(1) =629860a(2) =23658861a(3) =2280287753a(4) =340596199800
External references
- oeis: A208352